package com.estronger.shopmanage.ui.order.view;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;

/**
 * Created by Administrator on 2017-08-30.
 */

public class CustomImageView extends View {

    private Paint mPaint;//画笔


    int width,height;

    Context context;

    int progress=0;

    public CustomImageView(Context context)
    {
        this(context, null);
    }

    public CustomImageView(Context context, AttributeSet attrs)
    {
        this(context, attrs, 0);
    }

    public CustomImageView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        this.context=context;
        mPaint=new Paint();
    }

    @SuppressLint("DrawAllocation")
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        mPaint.setAntiAlias(true); // 消除锯齿
        mPaint.setStyle(Paint.Style.FILL);

        mPaint.setColor(Color.parseColor("#70000000"));//半透明
        canvas.drawRect(0, 0, getWidth(), getHeight()-getHeight()*progress/100, mPaint);

        mPaint.setColor(Color.parseColor("#00000000"));//全透明
        canvas.drawRect(0, getHeight()-getHeight()*progress/100, getWidth(),  getHeight(), mPaint);

        mPaint.setTextSize(30);
        mPaint.setColor(Color.parseColor("#FFFFFF"));
        mPaint.setStrokeWidth(2);
        Rect rect=new Rect();
        mPaint.getTextBounds("100%", 0, "100%".length(), rect);//确定文字的宽度
        canvas.drawText(progress+"%", getWidth()/2-rect.width()/3,getHeight()/2+4, mPaint);
    }

    public void setProgress(int progress){
        this.progress=progress;
        postInvalidate();
    };

}
